Assignee
ENGELMANN RUDOLPH H
US·3 granted patents·49 citations·filing 1980–1989
Top patents by PatentIndex Score
3 records- 0168US4279852AIndicia producing methodENGELMANN RUDOLPH H·Filed 1980·Granted Jul 21, 1981·22 cites·8 claims
- 0264US4987385AHigh efficiency power amplifierENGELMANN RUDOLPH H·Filed 1989·Granted Jan 22, 1991·15 cites·20 claims
- 0358US4982148APower factor maintenance systemENGELMANN RUDOLPH H·Filed 1989·Granted Jan 1, 1991·12 cites·32 claims
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